Health Check Endpoint Design: What It Should Return
A health check endpoint answers one question for one caller. Here is how to pick the caller, choose 200 or 503, and keep the wrong things out of the body.
#observability
10 posts tagged "Observability".
Synthetic Monitoring: The Three Rungs Explained
Synthetic monitoring generates traffic on a schedule so failures surface at 3 am with no users online. Here are its three tiers and what each one costs.
Blackbox Monitoring: What the Outside View Sees
Blackbox monitoring tests a service from outside with no access to its internals, which is how you catch DNS, TLS and routing failures.
Golden Signals: The Four SRE Metrics That Matter
Golden signals are latency, traffic, errors and saturation - the four metrics Google's SRE book says to watch when you can only watch four.